The human immune system is incredibly complex. Scientists studying its function have discovered that a group of proteins that have been used for billions of years by bacterial organisms as a defense ...
Left: Screenshot of spatial memory task. Middle: MRI scan showing the placement of recording electrodes (black circles) in a patient’s brain. [Salman Qasim/Columbia Engineering] An important part of ...
Human ancestry carries fingerprints from populations that left no bones, no tools and no fossils behind, and scientists have ...